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Round|Natural|GIA

1.20ct H IF Round Natural Diamond

EX • H/IF • GIA 6565644553

Certificate GIA 6565644553

Diamond specifications and retailer prices

From £3,375 GBP
As of November 6, 2026
Save £3,403 GBP (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £6,778 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6565644553. Listed at 13 retailers as of November 2, 2026, with prices from £3,375 to £6,778, a £3,403 spread on the same certified stone. MOH London lists it at £6,778. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565644553
Dimensions6.71 × 6.75 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.71 mm6.75 mm1.20 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565644553
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £6,778 GBP|Low: £3,347 GBP|High: £6,815 GBP|Avg: £4,524 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 13£3,375 GBP
Retailer 4£3,848 GBP
Retailer 5£4,013 GBP
Retailer 6£4,060 GBP
Retailer 7£4,205 GBP
Retailer 11£4,206 GBP
Retailer 10£4,272 GBP
Retailer 2£4,557 GBP
Retailer 3£4,601 GBP
Retailer 9£4,941 GBP
Retailer 8£5,258 GBP
Retailer 12£5,653 GBP
MOH London£6,778 GBP

16 data points across 13 retailers

13 retailers£3,375 GBP to £6,778 GBP

A
Cheapest Retailer
-
£3,375 GBP
Retailer 2
-
£3,848 GBP
View
Price last confirmed 10 days ago
B+
Retailer 3
-
£4,013 GBP
View
B+
Retailer 4
-
£4,060 GBP
View
B+
Retailer 5
-
£4,205 GBP
View
Final sale: no returns
B+
Retailer 6
-
£4,206 GBP
View
B+
Retailer 7
-
£4,272 GBP
View
B+
Retailer 8
-
£4,557 GBP
View
Retailer 9
-
£4,601 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£4,941 GBP
View
B
Retailer 11
-
£5,258 GBP
View
B
Retailer 12
-
£5,653 GBP
View
Most Expensive
B
MOH London
6CAE74979 · Nov 2
£6,778 GBP
View
12 more retailers have this diamond
Prices start from £3,375 GBPSave up to £3,403 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.20ct Round
£3,375 GBP